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122160869 is a prime number
BaseRepresentation
bin1110100100000…
…00011011100101
322111212102012122
413102000123211
5222233121434
620042155325
73012231065
oct722003345
9274772178
10122160869
1162a582a6
1234ab2b45
131c40264c
141231d3a5
15aad0c2e
hex74806e5

122160869 has 2 divisors, whose sum is σ = 122160870. Its totient is φ = 122160868.

The previous prime is 122160859. The next prime is 122160887. The reversal of 122160869 is 968061221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113529025 + 8631844 = 10655^2 + 2938^2 .

It is an emirp because it is prime and its reverse (968061221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122160869 - 216 = 122095333 is a prime.

It is a super-2 number, since 2×1221608692 = 29846555829670322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122160809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61080434 + 61080435.

It is an arithmetic number, because the mean of its divisors is an integer number (61080435).

Almost surely, 2122160869 is an apocalyptic number.

It is an amenable number.

122160869 is a deficient number, since it is larger than the sum of its proper divisors (1).

122160869 is an equidigital number, since it uses as much as digits as its factorization.

122160869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 122160869 is about 11052.6408156603. The cubic root of 122160869 is about 496.1854646455.

The spelling of 122160869 in words is "one hundred twenty-two million, one hundred sixty thousand, eight hundred sixty-nine".